Kinghelm Jumper Cap KH-2.54TXM-BK-6.5H-W: Compact and Reliable for Stable Circuit Mode Switching

In electronic development, debugging, and module configuration, jumper caps play a crucial role in switching circuit modes, adjusting functions, or setting operational parameters. Although small in size, they directly influence connection stability and the efficiency of testing processes. The KH-2.54TXM-BK-6.5H-W jumper cap from Kinghelm is designed to meet these needs, providing a stable, easy-to-identify, and highly compatible solution for a wide range of electronic applications.

Kinghelm KH-2.54TXM-BK-6.5H-W Product Image

This model features a closed-top structure that protects the contact area from dust and physical interference, improving long-term reliability. The white housing provides clear visual distinction on densely populated PCBs, especially when multiple jumper caps are placed together. With a height of 6.5H, it pairs well with standard 2.54mm pin headers and delivers a firm, consistent insertion feel—neither too tight nor prone to loosening—making it suitable for both long-term placement and moderate-frequency adjustments.

The standard 2.54mm (0.1-inch) pitch gives the KH-2.54TXM-BK-6.5H-W broad compatibility across common platforms such as microcontroller development boards, industrial control modules, communication devices, compact server boards, testing fixtures, and educational electronics. This universality simplifies cross-project usage, inventory management, and mass assembly without requiring additional adaptation.

Beyond technical fit, the closed-top design also contributes to a cleaner visual presentation, especially in transparent-casing products, prototype displays, or educational devices where neat layout matters. Despite its lightweight design, the internal metal component maintains reliable gripping force, ensuring consistent electrical contact even under vibration, movement, or extended use.

In practical applications—whether selecting boot modes on MCU boards, configuring industrial function options, setting communication parameters, or switching logic on test fixtures—the KH-2.54TXM-BK-6.5H-W offers stable performance and intuitive operation. Its clear coloring, precise dimensions, and dependable contact quality make it suitable for collaborative development environments and long-term maintenance scenarios.

To maintain optimal performance, vertical insertion is recommended to avoid bending forces on the pin header. In vibration-prone environments, occasional position checks are advised, and prolonged exposure to humidity should be avoided to reduce the risk of oxidation.

Kinghelm KH-2.54TXM-BK-6.5H-W Specification

Overall, the Kinghelm KH-2.54TXM-BK-6.5H-W is a compact yet essential general-purpose component. With its standardized design, reliable structure, and user-friendly identification, it provides stable and efficient support for circuit configuration, mode switching, and hardware debugging—an excellent choice for development, production, and educational platforms.

About Kinghelm

Shenzhen Kinghelm Electronics Co., Ltd.（www.kinghelm.net）has technical backbones from Tsinghua University and UESTC, and has introduced overseas returnee professionals. Kinghelm is able to develop highly reliable and high-performance antenna and connector products.KH series products of "Kinghelm" brand include Beidou/GPS antennas, RF adapter connectors, plug connector, electrical data connectors, terminals, and customized vehicle harnesses, industrial / medical connectors, and special antenna connectors."Kinghelm connects world", Kinghelm has grown with the development of China's Beidou industry. Starting from supplying Beidou/GPS dual mode antennas, IPEX terminals, and RF adapter cables for automotive manufacturers, Kinghelm has continuously developed products. Currently, it has a series of WiFi, Bluetooth, NB-loT, LoRa, Zigbee, UWB, and GSM antennas, RFID tags, RF adapter cables, standard microwave antennas, vehicle grade SMA, SMB, FAKRA holders, coaxial cables, and can customize non-standard antenna connectors based on customer drawings or samples.